Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
NOV MONOFLO PARK TEN
16503 PARK ROW, HOUSTON, TX, 77084
Parent company: NATIONAL OILWELL VARCO LP
Top chemical totals
The 10 chemicals with the highest cumulative on-site releases across all available years.
Full release table
Rows are years. Columns show the five highest-total chemicals across all years plus each year's total release volume.
| Year | Xylene (mixed isomers) | Toluene | Total |
|---|---|---|---|
| 2011 | — | 399 | 399 |
| 2010 | 1,271 | 2,544 | 3,815 |
| 2009 | 2,098 | 6,391 | 8,489 |
| 2008 | 10,280 | — | 10,280 |
| 2007 | 2,281 | 3,510 | 5,791 |